Ore-stamp



(No Model.) 2 Sheets-Sheet 1.

J. SYMONS.

ORE STAMP.

No. 264,792. Patented Sept. 19, 1882.

. 4% 1 //W/// W1l7%/e/ss0;.- Ira/21011232" I 7 9.61 mcwmm/ UNITED STATES PATENT OFFICE.

JAMES SYMONS, OF NEWARK, 01110, ASSIGNOR OF TWO-THIRDS TO DANIEL n. MURPHY, OF SAME PLACE, AND GURDON 1).. JOHNSON, OF GRAN- VILLE, OHIO.

O R E- STA M P.

SPECIFICATION forming part of Letters Patent No, 264,792, dated September 19, 1882.

Application filed July 3, 1882. (No model.)

To allwliom t'tmay concern: I) projecting from the sides of the hammer- Be it known that I, JAMES SYMONS, a citistems B. The cross-heads can be secured at zen of the United States, residing at Newark, any desired height upon the stems B by means 55 in the county of Licking and State of Ohio, of slots and bolts b, or in any other suitable 5 have invented certain new and useful Improvemanner. To the sides of the eccentrics G are ments in Ore-Stamps, of which the following secured light metal plates 9 extending over i is a specification; the ends of each boss, to retain them in true i My invention relates to improvements in line therewith. Upon -the shaftD is mounted 6e 1 ore-stamps in which the hammers are elevated the fly-wheel P, by means of which-motion is 10 by suitable mechanism and allowed to fall by given tosaid shaft. Motion being given to their own weight; and the object of my imthe shaft in the direction of the arrow shown provements is to provide a. continuous revclvin Fig. 1, each boss H rotates with it, and its ing-shaft with shouldered bosses adapted to shoulder h, coming into engagement with the 6 revolve peculiarly perforated eccentrics conshoulder 9 rotates the eccentric, and by means '1 nected with the hammers. I attain this end of its straps and eccentric-rods elevates the by the mechanism illustrated in the accompastamp C until it reaches the position shown in nying drawings, in which- Fig. 1, where its weight rests 11 poll the shoul- Figure 1 is avertical section of the machine, der h of the boss. The shaft and its boss, con- 70 taken on line m x of Fig. 2. Fig. 2 is a transtinuing to rotate slowly, soon carry the eccen- 2o verse vertical section of the machine. Fig. 3 trie to a point where the heavy weight of the is a side view of one of the eccentrics, its strap, stamp begins to draw upon it, and the inner and rods. Fig. 4 is a perspective view of one surface of its larger circle 9, sliding over the of the operating-bosses. projecting shoulder h of the boss, (shown in 75 Similarletters refer to similar parts through- Fig. 4,) rotates the eccentric in advance of its out the several views. boss and allows its stamp to fall by its own The outer frame, A, of the machine is made gravity and produce adead blow upon any meof beams united together at the top and botterial that may be placed upon the bed of the tom and provided with cross-braces A. Withmachine. 80 in the frame are secured standards A united I am aware that the stamps of mills have 3.0 by transverse braces N and N, thelatter formbeen elevated by various means and allowed ing guides for the stems B of the stamps or to drop by their own Weight, but they all difler hammers O. from mine in construction.

The main shaftD of the machine is adapted Having now fully described my invention, 8 to revolve in boxes E, secured to the top of the I claimframe. Upon the shaft D are secured four 1. The combination of the main shaft and bosses, H, by means of keys d, or otherwise. its boss H, provided with a shoulder, it, upon These bosses are cylindrical, and haveprojectits periphery, with eccentric G, constructed ing from their surface a shoulder, 71., running with an internal opening, G, made of two half- 0 parallel with the axis of each boss and extendcircles having a shoulder, 9 between them,

ing its whole width to operate upon the surslotted eccentric-rods, and a stamp, substanface of the opening G made in the interior of tially as and for the purpose described. the eccentrics G. The opening G is made ec- 2. The combination of the main shaft and centrically to the center of the eccentric, and its boss H, provided with a shoulder, h, with 95 is formed of two half-circles, g g, of different an eccentric constructed with an internal open- 4 5 diameters, to produce an internal shoulder, 9 in g made of two half-circles of different diamfor engagement with the shoulder It upon the eters, side plates, g eccentric-straps, slotted boss H. The exterior surface of each ecceneccentric-rods, and a stamp, substantially as tric G is preferably convex, and is surrounded and for the purpose described.

by the straps F, and to the lower portions of JAMES SYMON S. said straps are secured, by means of bolts f, Witnesses:

two eccentric-rods, F. Theserods are provided G. B. JOHNSON,

with slots f for the passage of the cross-heads WM. LYON. 

